There is a lot of information online about how to decarb THC flower (marijuana). There is less information about decarbing CBD hemp flower. There is almost no information about decarbing CBG hemp flower. If you want to add CBG to your edibles or topicals you will need to decarb it first. This heat converts CBGA to CBG. CBGA may have its own health benefits, but like most raw cannabinoids it has not been studied a much as its activated molecule.
We do have some hints about decarb temps for CBG. A 2016 study looked at different decarb temperatures for different cannabinoids. Hidden deep within the study is a very interesting table that compares THC, CBD, and CBG when heated to different temperatures. The researchers found that 20 minutes at 130 degrees Celsius (260 degrees F) were sufficient to convert almost all of the CBGA to CBG. 40 minutes at 110 degrees C (230 degrees F) did almost as well, producing slightly less CBG from the material.
It would be reasonable to assume that 30 to 40 minutes at 240 to 260 degrees F would convert CBG hemp flower into active CBG to be used in edibles and topicals. Interestingly, this is the same temperature that some people are using when they decarb in a mason jar inside an Instant Pot or other pressure cooker.
Why would you want to decarb CBG flower? CBG has health benefits and it seems to intensify the effects of CBD when the two are taken together. Edibles are a way to take cannabinoids as medication and avoid any possible damage to the lungs. The effects also last longer when the medication is taken orally.
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